package com.example.administrator.myapplication;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private TextView selectedCityTv;
    private Button selectCityBtn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        initData();
        initEvent();
    }

    private void initView() {
        selectedCityTv = findViewById(R.id.city_select_tv);
        selectCityBtn = findViewById(R.id.city_select_btn);
    }

    private void initData() {

    }

    private void initEvent() {
        selectCityBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent(MainActivity.this, CitySelectActivity.class);
                startActivityForResult(intent, 1);//启动支持数据回传Activity,并传递resultcode为1
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode==1 && requestCode==1){
            String cityName = data.getStringExtra("data");
            selectedCityTv.setText(cityName+"");
            Toast.makeText(this,cityName+"",Toast.LENGTH_SHORT).show();
        }
    }
}
